| Geyser | 1964-04-27 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1964-04-27 |
|---|---|
| Astronomical Twilight Begin | 03:25 |
| Nautical Twilight Begin | 04:08 |
| Civil Twilight Begin | 04:47 |
| Sunrise | 05:19 |
| Sunset | 19:22 |
| Civil Twilight End | 19:54 |
| Nautical Twilight End | 20:33 |
| Astronomical Twilight End | 21:15 |
| Moon Illumination | 99.72% |